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- cat1kf2
- 2012-11-22 15:38:55
mathgogocart wrote:
according to bob bundy(thank you)
the Awser is 25
thanks for your help
- cat1kf2
- 2012-11-22 15:30:00
bob bundy wrote:
hi cat1kf2
Welcome to the forum.
Work backwards:
After 3 days ....................1600
12 hours earlier................ 1600 ÷ 2
after two days .................. ÷ 2 again
12 hours earlier ................ ÷ 2 again
After one day ................... ÷ 2 again
12 hours ealier ................. ÷ 2 again
start ................................ ÷ 2 again
Bob
Thanks for your help Bob
- SMBoy
- 2012-11-19 22:00:55
Thank's all I understand now how it works.
- mathgogocart
- 2012-11-19 12:46:26
according to bob bundy(thank you)
the Awser is 25
- Ms_Zee
- 2012-11-19 11:37:52
Hi SMboy,
The explanation you received from bob bundy is correct, you just need to work out the result.
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Hi;
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- bob bundy
- 2012-11-18 19:59:11
hi SMboy,
Welcome to the forum.
What answer are you talking about ?
I gave a method, but deliberately did not say what I thought the answer is.
Bob
- SMBoy
- 2012-11-18 19:54:49
Is The Answer above correct? as there is no reply?
- bob bundy
- 2012-11-16 19:07:22
hi cat1kf2
Welcome to the forum.
Work backwards:
After 3 days ....................1600
12 hours earlier................ 1600 ÷ 2
after two days .................. ÷ 2 again
12 hours earlier ................ ÷ 2 again
After one day ................... ÷ 2 again
12 hours ealier ................. ÷ 2 again
start ................................ ÷ 2 again
Bob
- cat1kf2
- 2012-11-16 18:53:41
After 3 days, there are 1,600 bacteria. How many bacteria were there at the beginning of the first day? Use the work backward strategy.